'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')
const isProduction = process.env.NODE_ENV == 'production'

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = defaultSettings.title || '用户管理平台' // page title

// 如果您的端口被设置为80,  使用管理员权限执行命令行
const port = process.env.port || process.env.npm_config_port || 9527 // 开发环境端口

// 所有配置项的说明可以在 https://cli.vuejs.org/config/查看
module.exports = {
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      '/api': {
        // 公司地址
        // target:'http://192.168.1.211:8086',
        target:'http://192.168.1.7:8087',
        // 打包地址
        // target:'http://newly2021.tpddns.cn:8087',
        changeOrigin: true,
        pathRewrite: {
          '^/api': '/'
        }
      },
    },
    // before: require('./mock/mock-server.js'),
    // after: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    //它可以提高第一屏的速度，建议打开预载
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        // to ignore runtime.js
        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial'
      }
    ])

    // 当有很多页面时，会导致太多无意义的请求
    config.plugins.delete('prefetch')

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
          config.optimization.runtimeChunk('single')
        }
      )
  },

  // css: {
  //   // 是否使用css分离插件 ExtractTextPlugin
  //   extract:isProduction ? true:false,
  //   // 开启 CSS source maps?
  //   sourceMap: false,
  //   // css预设器配置项
  //   // 启用 CSS modules for all css / pre-processor files.
  //   modules: false
  // },
  // pluginOptions: {
  //   'style-resources-loader': {
  //     preProcessor: 'scss',
  //     patterns: [
  //       path.resolve(__dirname, './src/styles/index.scss'),
  //       path.resolve(__dirname, './src/styles/variables.scss')
  //     ]
  //   }
  // }
}
